A landmark Philippine performance of Claudio Monteverdi's Vespers — with the Collegium Vocale Manila, Manila Baroque Ensemble and Belgian period ensemble InAlto — is at the center of the 50th International Bamboo Organ Festival. This MAESTRO FILIPINO, singers Karl San Jose and Rimher Manubay join DZFE's Tiffany in the first of two programs on this special iteration of the country's sole music festival devoted to early music.